26858077212 has 24 divisors (see below), whose sum is σ = 62763674512. Its totient is φ = 8939145600.

The previous prime is 26858077199. The next prime is 26858077241. The reversal of 26858077212 is 21277085862.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1685089 + ... + 1700952.

Almost surely, 2^26858077212 is an apocalyptic number.

It is an amenable number.

26858077212 is an abundant number, since it is smaller than the sum of its proper divisors (35905597300).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

26858077212 is a wasteful number, since it uses less digits than its factorization.

26858077212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3386709 (or 3386707 counting only the distinct ones).

The product of its (nonzero) digits is 752640, while the sum is 48.

The spelling of 26858077212 in words is "twenty-six billion, eight hundred fifty-eight million, seventy-seven thousand, two hundred twelve".